It's four years later, and a new group of students has been placed in Saturday detention at the infamous and prestigious Crestview Academy. When Siouxsie, sophomore 'undercrust,' crashes the party to avenge her sister's death, a Saturday detention reserved for … Samantha Hanratty, Colby Arps, Sophia Ali, Erika Daly, Matthew Frias, Ben Browder, Sufe Bradshaw Added on Amazon Prime 2023-02-10. Youtube Trailer